Getting plenty of Vitamin C is key to overall health. BioSchwartz Advanced Formula Vitamin C Complex provides you with high potency sources of Vitamin C, which is essential for hundreds of processes in the body including muscle health, tissue repair, heart health and more. BioSchwartz Advanced Formula Vitamin C Complex with Rose Hips, Zinc and Bioflavonoids helps your body keep up with seasonal changes at a cellular level so you're protected all year long. The skin is the body s first real protective barrier against harmful substances that can affect health. BioSchwartz Advanced Formula Vitamin C Complex helps support and strengthen the skin barrier.